| Challwa Q'asa | |
| Elevation M: | 5000 |
| Elevation Ref: | [1] |
| Range: | Andes, Wansu |
| Location: | Peru, Arequipa Region, La Unión Province |
| Map: | Peru |
| Map Size: | 200 |
| Coordinates: | -14.8386°N -72.6503°W |
Challwa Q'asa (Quechua challwa fish, q'asa mountain pass, "fish pass", also spelled Chayhuajasa) is a mountain in the Wansu mountain range in the Andes of Peru, about 5000m (16,000feet) high. It is located in the Arequipa Region, La Unión Province, Puyca District. It lies northwest of Chhijmuni and Wayta Urqu.[1]